Article R4311-6 of the French Labour Code
Any product meeting the following definition is subject to the rules set out in articles R. 4313-7 to R. 4313-11 for the placing on the market of partly completed machinery: An assembly which almost constitutes a machine, but which cannot on its own ensure a defined application. Part-machinery is only intended to be incorporated into or assembled with other machinery or other partly completed machinery or equipment with a view…